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Lecture

ggr270 lecture oct 5

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Department
Geography
Course
GGR270H1
Professor
Damian Dupuy
Semester
Fall

Description
October 5Normal DistributionZ scoresstandard scores are referred to as Z scoresindicate how many Standard Deviations separate a particular value form the meanZ scores can be positive or negative depending if they areorthe meanZ score of the mean is O an the Standard Deviation is positive or negativetable of normal values provides probability info on a standardized scale but we can also calculate Z scoresformula involves comparing values to the mean value and dividing by the Standard Deviationresult is interpreted as the number of standard deviations on observation lays above or below the meanSkewnessmeasures the degree of symmetry in a frequency distributiondetermines how evenly the values are distributed either side of the meanCoefficient of Variationallows for comparison of varia
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